Home / 16,244.78-22,417.80-9,171.02

Finding the Fourth Proportional to 16,244.78, 22,417.80 and 9,171.02

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Solution

The fourth proportional to 16,244.78, 22,417.80 and 9,171.02 is: 12,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,244.78 : 22,417.80 = 9,171.02 : x
  2. Step 2: Convert to fraction form
    16,244.78/22,417.80 = 9,171.02/x
  3. Step 3: Cross multiply
    16,244.78x = 22,417.80 × 9,171.02
  4. Step 4: Simplify right side
    16,244.78x = 205,594,092.16
  5. Step 5: Solve for x
    x = 205,594,092.16/16,244.78
  6. Step 6: Final answer
    x = 12,656.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.